datetimeinterface_to_datetimeimmutable()

Complexity

Conditions	4
Paths	4

Size

Total Lines	23
Code Lines	12

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	1
CRAP Score	6

Importance

Changes

0

<?php declare(strict_types=1);
function datetimeinterface_to_datetimeimmutable(\DateTimeInterface $dateTime): \DateTimeImmutable
{
    static $utcTimeZone;

    if ($dateTime instanceof \DateTimeImmutable) {
        return $dateTime;
    }

    if ($dateTime instanceof \DateTime) {
        return \DateTimeImmutable::createFromMutable($dateTime);
    }

    $result = \DateTimeImmutable::createFromFormat(
        'u U',
        $dateTime->format('u U'),
        $utcTimeZone ?? ($utcTimeZone = new \DateTimeZone('UTC'))
    );

    if ($result === false) {
        throw new InvalidValueException('Could not create DateTimeImmutable instance from DateTimeInterface instance');
    }

    return $result;
}